2178678265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{66923}}^1$

素因数の和:67328

約数の個数: 16

約数和(自身を含む): 2775472128

約数和(自身を除く): 596793863

約数列:

[1, 5, 17, 85, 383, 1915, 6511, 32555, 66923, 334615, 1137691, 5688455, 25631509, 128157545, 435735653, 2178678265]

約数ペア:

[(1, 2178678265), (5, 435735653), (17, 128157545), (85, 25631509), (383, 5688455), (1915, 1137691), (6511, 334615), (32555, 66923)]